Attention: The Optima series was manufactured with 2 different bobbin cases.

This bobbin case is the old version for the bobbins that are not curved inwards ( comparison of the bobbins )!

Bobbin case suitable for the following Husqvarna sewing machines:

Husqvarna 7, 19E, 21, 21E, 49, 51, 52, 90, 95 Husqvarna 100, 105 Husqvarna Optima 120, 150, 180, 185, 190 Husqvarna 610, 620, 630, 940, 945, 950, 960, 980, 990 Husqvarna 2000 Husqvarna 3000, 3010, 3300, 3310, 3320, 3610 Husqvarna 4121 Husqvarna 5430, 5530, 5540, 5570, 5610.5 710 Husqvarna 6000, 6010, 6020, 6030, 6170, 6230, 6240, 6270, Husqvarna 6360, 6370, 6430, 6440, 6460, 6470, 6570, 6690

etc.